Add 72/21 and 48/98
1st number: 3 9/21, 2nd number: 48/98
72/21 + 48/98 is 192/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
72/21 = 72 × 14/21 × 14 = 1008/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
48/98 = 48 × 3/98 × 3 = 144/294 - Add the two like fractions:
1008/294 + 144/294 = 1008 + 144/294 = 1152/294 - 1152/294 simplified gives 192/49
- So, 72/21 + 48/98 = 192/49
In mixed form: 345/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+96/98 72/42+48/98 72/63+48/98